Thermoanaerobacterales

Thermoanaerobacteriales
Scientific classification
Kingdom:	Bacteria
Division:	Firmicutes
Class:	Clostridia Rainey 2010
Order:	Thermoanaerobacterales Wiegel 2010
Families
Thermoanaerobacteraceae Wiegel 2010 Ammonifex Huber and Stetter 1996 emend. Miroshnichenko et al. 2008 Caldanaerobacter Fardeau et al. 2004 Caldanaerobius Lee et al. 2008 Caloribacterium cisternae Slobodkina et al. 2012 Carboxydothermus Svetlichny et al. 1991 emend. Novikov et al. 2011 Desulfovirgula Kaksonen et al. 2007 Gelria Plugge et al. 2002 Moorella Collins et al. 1994 Tepidanaerobacter Sekiguchi et al. 2006 Thermacetogenium Hattori et al. 2000 Thermanaeromonas Mori et al. 2002 Thermoanaerobacter Wiegel and Ljungdahl 1982 emend. Lee et al. 2007 Thermodesulfobiaceae Mori et al. 2004 Coprothermobacter Rainey and Stackebrandt 1993 Thermodesulfobium Mori et al. 2004 Thermoanaerobacterales Family III. Incertae Sedis Caldanaerovirga Wagner et al. 2009 Caldicellulosiruptor Rainey et al. 1995 emend. Onyenwoke et al. 2006 Syntrophaceticus Westerholm et al. 2011 Thermoanaerobacterium Lee et al. 1993 emend. Cann et al. 2001 Thermosediminibacter Lee et al. 2006 Thermovenabulum Zavarzina et al. 2002 Thermovorax Mäkinen et al. 2012 Thermoanaerobacterales Family IV. Incertae Sedis Mahella Bonilla Salinas et al. 2004

The Thermoanaerobacteriales are a polyphyletic order of bacteria placed within the polyphyletic class Clostridia, and encompassing three families: the Thermoanaerobacteraceae, the Thermodesulfobiaceae, and the Thermoanaerobacterales family III incertae sedis, and various unplaced genera. This order is noted for the species' abilities to survive in environments of extremely elevated temperature. An example organism in this order is Thermoanaerobacterium autearoensis.

The currently accepted taxonomy is based on the List of Prokaryotic names with Standing in Nomenclature (LPSN) and National Center for Biotechnology Information (NCBI) and the phylogeny is based on 16S rRNA-based LTP release 111 by The All-Species Living Tree Project.

The Thermoanaerobacteriales as previously mentioned are polyphyletic, and consist of over six morphologically and physiologically similar clades:

?T. acetatoxydans ♠ Westerholm et al. 2011

T. syntrophicus Sekiguchi et al. 2006 (type sp.)

T. gondwanense Ogg et al. 2010

T. ferriorganovorum Zavarzina et al. 2002 (type sp.)

T. litoriperuensis Lee et al. 2006

T. oceani Lee et al. 2006 (type sp.)

Fervidicola ferrireducens Ogg and Patel 2009

Caldanaerovirga acetigignens Wagner et al. 2009

Thermovorax subterraneus Mäkinen et al. 2012

?M. perchloratireducens ♠ Balk et al. 2008

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